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(18-11-2013, 07:19 PM)Piggy Wrote: OK.
SO earthed the Headunit directly to the chassis right underneath it (its sitting in lower console not in main dash) and also earthed the RCA audio cables to the body of the headunit...with a inline 3amp fuse.
This has cured the alternator whine, low rumbling and high pitched hiss.
It has NEARLY cured the heavy tick/pops and whines which copy any accesories I use...like indicators/wipers/fan/lights etc
BUT NOT QUITE>
still a little pop when something turns on then off, like an indicator or lights.
ANY IDEAS????? Im close to hammer through the windscreen stage
Did you try moving the RCA + the other wire, cant remembre the name, not the power one though.. lol.
But yeah move them to the other side of the car away from the power wire?
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RCA and Remote one side of the car, power from the battery the other.
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18-11-2013, 10:47 PM
(This post was last modified: 18-11-2013, 10:48 PM by Piggy.)
did that ages ago...
no difference
battery in boot...so power cable goes direct to amp anyhow but rcas now go down side of car
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(18-11-2013, 10:47 PM)Piggy Wrote: did that ages ago...
no difference
battery in boot...so power cable goes direct to amp anyhow but rcas now go down side of car Where abouts is the earth for the battery?
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two earths. both going direct to chassis...within 12inches of the battery
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i'd get/borrow another head unit to try apart from two you have then you know for sure if head units knackered tbh seems like your going through alot of trouble when it sounds like its stereo's phono plugs are shot
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seems so.
also seems odd for a top end pioneer unit which was 300ish new and has been boxed since new till i bought it.
im bit gutted
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(22-11-2013, 10:10 AM)Piggy Wrote: seems so.
also seems odd for a top end pioneer unit which was 300ish new and has been boxed since new till i bought it.
im bit gutted
Are you sure the stereo is as new and not fecked around with, it does sound dodgy for a new pioneer to feck up
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does the pitch noise change when you rev the car ?
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24-11-2013, 08:41 AM
(This post was last modified: 24-11-2013, 08:41 AM by Piggy.)
(23-11-2013, 04:48 PM)devils_fuel Wrote: (22-11-2013, 10:10 AM)Piggy Wrote: seems so.
also seems odd for a top end pioneer unit which was 300ish new and has been boxed since new till i bought it.
im bit gutted
Are you sure the stereo is as new and not fecked around with, it does sound dodgy for a new pioneer to feck up
theres a onbaord fuse on the phono earth side...but I cant get to it, its part of the circuit board, apparantly if 12v is sent wrong way, tripped somehow down wrong phono wire that little fuse blows. Seems to exhibit those symptoms.
New HU seems fiine, still the TINYIEST hint of a "pip" when something electrical is turned on/off with vol on 0 and you listen really close. But I can live with that
(23-11-2013, 04:51 PM)AssMonkey13 Wrote: does the pitch noise change when you rev the car ?
see post #3
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(24-11-2013, 08:41 AM)Piggy Wrote: theres a onboard fuse on the phono earth side...but I cant get to it
Had this on a kenwood mask, removed the cover and used tweezers to change it
the smokey old bus that sounds like a tractor...
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its a circuit board track more than a fuse. but it works as a fuse
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That's a sh*tter mate 
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yup.
oh well.
looks like me mums getting a nice pioneer HU
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There you go, an Xmas pressie sorted including fitting 
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ahhhhhhhhhhhhhhhhhh
after 10days or so of trouble free amped music...
started the car after stopping at tesco and 'mnnnnnnnnnnn' buzzy sound is back, in tune with engine revs!
what the hell!!!??
really annoyed
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anyone know how to test a alternator suppressor??
I wonder...my voltage had rissen to around 15.2vs generally...but in tandem with the buzzing coming back, the voltage has dropped back down to 14/14.2vs and Im thinking maybe the suppressor has blown?!
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Can the suppressor you bought handle 15amps or can you find one?
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Duno what amp rating it had...but was for high capacity diesel alternators.
Felt a bit poor quality mind
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Sounds like it should have been man-enough but then again eBay...
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its 3.3 micro farod.
which is actually quite high.
Ordered a new one but highest could now find was a 1mf
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Fingers crossed mate 
Just a thought...have a you swapped the alternator just in case there's an issue with your current one??
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not gota spare 
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